Re: `position' in rep...?

[Christopher Roy Bratusek <nano tuxfamily org>]

Am 29.05.2011 16:03, schrieb Jeremy Hankins:
> Christopher Roy Bratusek<nano tuxfamily org>  writes:
>
> > just a small question, whether I'm blind, or whether rep really
> > doesn't ship a function like `position'.
> >
> > so `nth' gives the the value of the nth element:
> >
> > (setq mylist '("Crux" "StyleTab" "get-S-tabbed"))
> > (nth 1 mylist)
> >
> > =>  StyleTab
> >
> > but now for the opposite? other lisps do ship `position':
> >
> > (position "Crux" mylist)
> >
> > =>  0
> >
> > Now it seems to me that REP does not ship a position function? Atleast
> > I couldn't find one in the docs neither via `git grep'. I think that's
> > essential, so I'm sure it's somewhere. Or... did John expect everyone
> > to loop through lists?
> I don't know of such a thing, but how often would you really need to
> know the position of an element?  In most cases I can think of where you
> might use a position "member" would do what you need without the use of
> a position.
You would need it for every GtkComboBox in SawfishConfig, to set the 
initial value, to what the user previously selected (or to what the 
default value is).

Chris